Problem set up Yahoo account

Iíve just installed Zimbra Desktop 7.2.2 Desktop to my PC today for Windows. When I try to set up my yahoo account I get an error certificate.
: error when sending req at (step 3) Internal reason: unauthonized error (401) at (step 3) .This error is normally caused by a problem with the OAuth parameters attached to your request. The OAuth signature or OAuth Verifier may be incorrect or one of the tokens is in a bad state
Display error details

com.zimbra.cs.offline.util.yc.oauth.OAuthException : error when sending req at (step 3) Internal reason: unauthonized error (401) at (step 3) .This error is normally caused by a problem with the OAuth parameters attached to your request. The OAuth signature or OAuth Verifier may be incorrect or one of the tokens is in a bad state ExceptionId:btpool0-17:1388951680695:9c3fc2abda95618